IE228Week8 - Performance Rating Serap Ulusam Sekiner 1 What...

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1 Performance Rating Serap Ulusam Seçkiner
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2 What is performance rating? Performance rating is a comparison of an operator's activity/element time to a "normal" time.
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3 Why do we need performance ratings? The performance of an operator is rarely "normal". To correct this problem, an adjustment must be made to the mean observed time to derive the time required for the normal operator to do the job when working at an average pace. Correcting the problem means increasing the actual time taken by above average operator and decreasing the time required by below average operators.
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4 What are problems associated with performance rating? It is subject to criticism since it is based entirely on the experience, training, and judgment of the work measurement analyst. Normal Performance There is not a universally accepted method of performance rating or concept of "normal" performance.
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5 What are benchmarks for a "normal" pace? Dealing 4 hands from 52 cards in .50 minutes Walking 100 feet in .38 minutes The more detailed your description of the activity, the more valid your results will be.
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6 Sound Rating Characteristics What are characteristics of a good performance rating system? · Accuracy - rating procedures that permit the analyst to study different operators employing the same method to arrive at standards that do not deviate more than 5% from the standard average established by the group. · Consistency - inconsistency, more than anything else, destroys the operator's confidence in the time study procedure. If you have analysts performing rating that are consistently rating high or low you are better off than having analysts who are inconsistent. High and low rating techniques can be corrected. · Simple · Easy to explain · Connected to well established benchmarks for "normal" work A complex system will only confuse operators and cause them not to trust you or your performance rating system.
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7 Work Station Rating Performance rating should only be done during the observation of elemental times.
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8 As you evaluate the operator at a work station, what criteria should you use to produce a performance rating? Speed Dexterity (skill) False moves Rhythm Coordination Effectiveness Other factors influencing output After you have rated the performance of an operator, immediately discuss the rating with him/her. This discussion gives the operator an opportunity to express his/her opinion about the fairness of the rating. Hopefully, both of you will agree on the rating, but if there is a problem with it, you may have to repeat the rating.
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9 Why do you want to involve the operator in the performance rating process? 1. Involving the operator in the process of rating will increase the probability that they will support the rating when it is used.
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